AD5045BRUZ

Semiconductors - ICs

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Series Information for AD5045BRUZ - Analog Devices

Features

  • feature
    Low power dual 12-/14-/16-bit DAC, u00b11 LSB INL Individual voltage reference pins Rail-to-rail operation 4.5 V to 5.5 V power supply Power-on reset to zero scale or midscale Power down to 400 nA @ 5 V 3 power-down functions Per channel power-down Low glitch upon power-up Hardware power-down lockout capability Hardware LDAC with software LDAC override function CLR function to programmable code SDO daisy-chaining option 14-lead TSSOP

Description

DAC DUAL 14BIT SPI 14TSSOP

The AD5025/AD5045/AD5065 are low power, dual 12-/14-/16-bit buffered voltage output nanoDAC® DACs offering relative accuracy specifications of ±1 LSB INL with individual reference pins, and can operate from a single 4.5 V to 5.5 V supply. The AD5025/ AD5045/AD5065 also offer a differential accuracy specification of ±1 LSB. The parts use a versatile 3-wire, low power Schmitt trigger serial interface that operates at clock rates up to 50 MHz and is compatible with standard SPI®, QSPI™, MICROWIRE™, and DSP interface standards. The reference for the AD5025/ AD5045/AD5065 are supplied from an external pin and a refer- ence buffer is provided on chip. The AD5025/AD5045/AD5065 incorporate a power-on reset circuit that ensures the DAC output powers up zero scale or midscale and remains there until a valid write takes place to the device. The AD5025/AD5045/AD5065 contain a power-down feature that reduces the current consump- tion of the device to typically 400 nA at 5 V and provides software selectable output loads while in power-down mode. The parts are put into power-down mode over the serial interface. Total unad- justed error for the parts is <2.5 mV. The parts exhibit very low glitch on power-up. The outputs of all DACs can be updated simultaneously using the LDAC function, with the added functionality of user-selectable DAC channels to simultaneously update. There is also an asynchronous CLR that clears all DACs to a software-selectable code—0 V, midscale, or full scale. The parts also feature a power-down lockout pin, PDL, which can be used to prevent the DAC from entering power-down under any circumstances over the serial interface.

Specifications

Resolution (Bits):
14bit
Sampling Rate:
1.5MSPS
Input Channel Type:
Serial
Supply Voltage Range:
4.5V to 5.5V
ADC / DAC Case Style:
TSSOP
No. of Pins:
14Pins
Data Interface:
3 Wire Serial
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)
Operating Temperature Range:
-40°C to +125°C
Supply Current:
2.2mA

Alternate Descriptions

Richardson RFPD
CONVERTER - DAC